Shorten user list headlines (#35286)

Shorten the user list headlines to improve the width of the user list table

Author: bembelimen

administrator/language/en-GB/com_users.ini

@@ -145,7 +145,7 @@ COM_USERS_HEADING_GROUPS="User Groups"
 COM_USERS_HEADING_GROUP_TITLE="Group Title"
 COM_USERS_HEADING_GROUP_TITLE_ASC="Group Title ascending"
 COM_USERS_HEADING_GROUP_TITLE_DESC="Group Title descending"
-COM_USERS_HEADING_LAST_VISIT_DATE="Last Visit Date"
+COM_USERS_HEADING_LAST_VISIT_DATE="Last Visit"
 COM_USERS_HEADING_LAST_VISIT_DATE_ASC="Last visit date ascending"
 COM_USERS_HEADING_LAST_VISIT_DATE_DESC="Last visit date descending"
 COM_USERS_HEADING_LEVEL_NAME="Level Name"
@@ -155,7 +155,7 @@ COM_USERS_HEADING_LFT="LFT"
 COM_USERS_HEADING_LFT_ASC="LFT ascending"
 COM_USERS_HEADING_LFT_DESC="LFT descending"
 COM_USERS_HEADING_NAME="Name"
-COM_USERS_HEADING_REGISTRATION_DATE="Registration Date"
+COM_USERS_HEADING_REGISTRATION_DATE="Registered"
 COM_USERS_HEADING_REGISTRATION_DATE_ASC="Registration date ascending"
 COM_USERS_HEADING_REGISTRATION_DATE_DESC="Registration date descending"
 COM_USERS_HEADING_REVIEW="Review Date"